<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=229915
-->
<head>
  <title>Test for Bug 229915</title>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
  <style type="text/css">

  p { color: black; background: transparent; }
  p.prev + p { color: green; }
  p.prev ~ p { background: white; }

  </style>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=229915">Mozilla Bug 229915</a>
<div id="display">

<div>
  <p id="toinsertbefore">After testing, this should turn green.</p>
</div>

<div>
  <p id="toreplace">To be replaced.</p>
  <p id="replacecolor">After testing, this should turn green.</p>
</div>

<div>
  <p class="prev">Previous paragraph.</p>
  <p id="toremove">To be removed.</p>
  <p id="removecolor">After testing, this should turn green.</p>
</div>

</div>
<div id="content" style="display: none">
  
</div>
<pre id="test">
<script class="testbody" type="text/javascript">

/** Test for Bug 229915 **/

const GREEN = "rgb(0, 128, 0)";
const BLACK = "rgb(0, 0, 0)";
const TRANSPARENT = "transparent";
const WHITE = "rgb(255, 255, 255)";

function make_prev() {
  var result = document.createElement("p");
  result.setAttribute("class", "prev");
  var t = document.createTextNode("Dynamically created previous paragraph.");
  result.appendChild(t);
  return result;
}

function color(id) {
  return getComputedStyle(document.getElementById(id), "").color;
}
function bg(id) {
  return getComputedStyle(document.getElementById(id), "").backgroundColor;
}

var node;

// test insert
is(color("toinsertbefore"), BLACK, "initial state (insertion test)");
is(bg("toinsertbefore"), TRANSPARENT, "initial state (insertion test)");
node = document.getElementById("toinsertbefore");
node.parentNode.insertBefore(make_prev(), node);
is(color("toinsertbefore"), GREEN, "inserting should turn node green");
is(bg("toinsertbefore"), WHITE, "inserting should turn background white");

// test replace
is(color("replacecolor"), BLACK, "initial state (replacement test)");
is(bg("replacecolor"), TRANSPARENT, "initial state (replacement test)");
node = document.getElementById("toreplace");
node.parentNode.replaceChild(make_prev(), node);
is(color("replacecolor"), GREEN, "replacing should turn node green");
is(bg("replacecolor"), WHITE, "replacing should turn background white");

// test remove
is(color("removecolor"), BLACK, "initial state (removal test)");
is(bg("removecolor"), WHITE, "initial state (removal test; no change)");
node = document.getElementById("toremove");
node.parentNode.removeChild(node);
is(color("removecolor"), GREEN, "removing should turn node green");
is(bg("removecolor"), WHITE, "removing should leave background");

</script>
</pre>
</body>
</html>
